China's Zheng Qinwen serves to China's Shi Han during their women's singles match at the China Open tennis tournament in Beijing on October 1, 2026. (Photo by WANG Zhao / AFP via Getty Images)

China's Zheng Qinwen hits a return to China's Shi Han during their women's singles match at the China Open tennis tournament in Beijing on October 1, 2026. (Photo by WANG Zhao / AFP via Getty Images)

Japan's Kei Nishikori reacts during his men's singles tennis match against USA's Frances Tiafoe at the ATP Tour Japan Open Tennis Championships at the Ariake Tennis Forest Park in Tokyo on October 1, 2026. (Photo by Rie KIKUCHI / AFP via Getty Images)

Australia's Alex De Minaur hits a return to Argentina's Mariano Navone during their men's singles first round tennis match at the China Open tennis tournament in Beijing on October 1, 2026. (Photo by WANG Zhao / AFP via Getty Images)

China's Zheng Qinwen hits a return to China's Shi Han during the women's single first round tennis match at the China Open tennis tournament in Beijing on October 1, 2026. (Photo by WANG Zhao / AFP via Getty Images)

Japan's Kei Nishikori plays a shot to USA's Frances Tiafoe during their men's singles tennis match at the ATP Tour Japan Open Tennis Championships at the Ariake Tennis Forest Park in Tokyo on October 1, 2026. (Photo by Rie KIKUCHI / AFP via Getty Images)

USA's Frances Tiafoe plays a shot to Japan's Kei Nishikori during their men's singles tennis match at the ATP Tour Japan Open Tennis Championships at the Ariake Tennis Forest Park in Tokyo on October 1, 2026. (Photo by Rie KIKUCHI / AFP via Getty Images)

USA's Frances Tiafoe plays a shot to Japan's Kei Nishikori during their men's singles tennis match at the ATP Tour Japan Open Tennis Championships at the Ariake Tennis Forest Park in Tokyo on October 1, 2026. (Photo by Rie KIKUCHI / AFP via Getty Images)